Request Details

Route
/ GET
Timestamp
Sep 19, 2026 8:57 AM
Duration
111.24 ms
Status
200
Response Size
18 KB
Error
No

Performance Breakdown

Database
27.5% (6 queries)
View Rendering
14.4%
Application Logic
58.2%
Other Operations
0.0%
Total Operations
10
Slowest Operation
111.24 ms

Request Trace

How to read this

Each row is a layer of your stack. Many short Database bars means N+1 queries — fix with includes(). A wide Action bar with little Database time means slow Ruby code. A wide View bar usually means a partial rendered in a loop.

Action
View
Database
Other
Action
View
Database
0.0ms 95.6ms 191.2ms 286.9ms 382.5ms

Operations

How to use this

Sort by Impact to find your biggest wins. Click any row for details and optimisation suggestions. The same SQL appearing multiple times is an N+1 — fix with includes(). A single operation above 50% impact is your highest priority.

Operation Duration Impact Timeline Actions
SELECT id, name FROM users WHERE email = ? 22 ms 19.8%
SELECT users.*, posts.*, comments.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, AVG(posts.view_count) as avg_views, MAX(comments.created_at) as latest_comment FROM users LEFT JOIN posts ON users.id = posts.use... 1 ms 0.9%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 32 ms 28.8%
SELECT * FROM posts WHERE created_at > ? 25 ms 22.5%
layouts/application 31 ms 27.9%
SELECT name FROM users 5 ms 4.5%
SELECT users.* FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id WHERE users.active = ? AND posts.published = ? AND comments.approved = ? OR users.created_at > ? AND posts.created_at > ? AND commen... 20 ms 18.0%
users/index 24 ms 21.6%
home#index 111 ms 100.0%
home#index 111 ms 100.0%